79 - NUTRITION, 



1. Different modes of nutrition. Examples of green plants, saprophytes, carni- 

 vorous plants and parasites. 



2. Elements necessary for the nutrition of a plant. Water cultures of seedlings : 



(a) In a solution containing K, Na, Ca, Mg, Fe, nitrate, sulphate, phosphate and 



chloride ; 



(b) In a solution similar to (a) but lacking nitrate ; 



(c) In distilled water. 



ROOT ABSORPTION. 



3. The microscopic structure of a typical living plant cell. Note the cellulose 

 cell-wall, living protoplasm, and cell-sap in vacuole. 



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